<template>
  <div class="login-wrap">
    <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" class="demo-ruleForm login-container">
      <h3 class="title">用户登录</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号" prefix-icon="el-icon-user"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码" prefix-icon="el-icon-lock"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input type="text" v-model="ruleForm.code" auto-complete="off" placeholder="图形验证码" prefix-icon="el-icon-warning-outline" @keyup.enter.native="submitForm('ruleForm')"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box" >
          <v-code :identifyCode="identifyCode" class="codeimg" @click.native="refreshCode"></v-code>
        </el-col>
      </el-row>
      <!-- <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox> -->
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm')" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
import { login } from '../api/userMG'
import { setCookie, getCookie, delCookie } from '../utils/util'
// import md5 from 'js-md5'
import v_code  from '../components/code'
export default {
  name: 'login',
  data() {
    return {
      //定义loading默认为false
      logining: false,
      // 记住密码
      rememberpwd: false,
      ruleForm: {
        //username和password默认为空
        username: '',
        password: '',
        code: '',   //验证码
        randomStr: '',
        codeimg: '',
      },
      //rules前端验证
      rules: {
        username: [{ required: true, message: '请输入账号', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
        code: [{ required: true, message: '请输入验证码', trigger: 'blur' }]
      },
      identifyCode: '',   //图形验证码
    }
  },
  components: {
    "vCode": v_code
  },
  // 创建完毕状态(里面是操作)
  created() {
    // this.$message({
    //   message: '账号密码及验证码不为空即可',
    //   type: 'success'
    // })
    // 获取图形验证码
    this.refreshCode()
    // 获取存在本地的用户名密码
    // this.getuserpwd()

  },
  // 里面的函数只有调用才会执行
  methods: {
    // 获取用户名密码
    getuserpwd() {
      if (getCookie('user') != '' && getCookie('pwd') != '') {
        this.ruleForm.username = getCookie('user')
        this.ruleForm.password = getCookie('pwd')
        this.rememberpwd = true
      }
    },
    //获取info列表
    submitForm(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          if(this.ruleForm.code!=this.identifyCode){
            this.ruleForm.code = ""
            this.refreshCode()
            this.$message.error('验证码错误！')
            return
          }
          this.logining = true
          // 测试通道，不为空直接登录
          // setTimeout(() => {
          //   this.logining = false
          //   // this.$store.commit('login', 'true')
          //   this.$router.push({ path: '/index' })
          // }, 1000)
          // 注释
          login(this.ruleForm).then(res => {
            if (res.data.success) {
              if (this.rememberpwd) {
                //保存帐号到cookie，有效期7天
                setCookie('user', this.ruleForm.username, 7)
                //保存密码到cookie，有效期7天
                setCookie('pwd', this.ruleForm.password, 7)
              } else {
                delCookie('user')
                delCookie('pwd')
              }
              //如果请求成功就让他跳转路由
              this.logining = false
              // 缓存token
              localStorage.setItem('logintoken', res.data.token)
              // 缓存用户个人信息
              localStorage.setItem('userdata', JSON.stringify(res.data.datas[0]))
              this.$store.commit('login', 'true')
              this.$router.push({ path: '/index' })
              this.$message({
                message: '登录成功',
                type: 'success'
              })
            } else {
              this.$message.error(res.data.msg)
              this.logining = false
              return false
            }
          })
        } else {
          // 获取图形验证码
          this.refreshCode()
          this.$message.error('请输入账号密码及验证码！')
          this.logining = false
          return false
        }
      })
    },
    //刷新验证码
    refreshCode() {
      this.identifyCode = ''
      let identifyCodes = '1234567890'
      for (let i = 0; i < 4; i++) {
        this.identifyCode += identifyCodes[
          this.randomNum(0, identifyCodes.length)
          ]
      }
    },
    randomNum(min, max) {
      return Math.floor(Math.random() * (max - min) + min)
    },
  }
}
</script>

<style scoped>
  .login-wrap {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding-top: 10%;
    background-image: url();
    /* background-color: #112346; */
    background-repeat: no-repeat;
    background-position: center right;
    background-size: 100%;
  }
  .login-container {
    border-radius: 10px;
    margin: 0px auto;
    width: 280px;
    padding: 30px 35px 15px 35px;
    background: #fff;
    border: 1px solid #eaeaea;
    text-align: left;
    box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
  }
  .title {
    margin: 0px auto 40px auto;
    text-align: center;
    color: #505458;
  }
  .remember {
    margin: 0px 0px 35px 0px;
  }
  .code-box {
    text-align: right;
  }
  .codeimg {
    height: 40px;
  }
</style>
